MCQ
Centromere is part of
- ARibosomes
- BMitochondria
- ✓Chromosome
- DEndoplasmic reticulum
(c) Centromere is the region of the chromosome that becomes attached to the nuclear spindle during mitosis and meiosis. It does not stain with basic dyes. It is also called primary constriction or kinetochore.
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$(1)$ Methanogens $(2) $ Anabaena $(3)$ $N_2$, fixation $(4)$ Thermoacido philus $(5)$ eykaryotes $(6)$ Diatoms $(7)$ gelatinous sheath $(8)$ Heterocyst
$I.$ Cells attaining their maximal size
$II.$ Proper wall thickening and protoplasmic modification
$III.$ Rapid cell division
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